error 500 internal server error express-jwt - express-jwt

Question

I'm having trouble figuring out why postman keeps returning empty curly braces with 500 internal server error whenever in use Bearers token in authorization for POST 'http://localhost:3000/api/v1/products' isAdmin true. This is my jwt.js file
const { expressjwt: expressJwt } = require('express-jwt');
function authJwt() {
const secret = process.env.secret
const api = process.env.API_URL
return expressJwt({
secret,
algorithms: ['HS256'],
isRevoked: isRevoked
}).unless({
path: [
{ url: /\/api\/v1\/products(.*)/, methods: ['GET', 'OPTIONS'] },
{ url: /\/api\/v1\/categories(.*)/, methods: ['GET', 'OPTIONS'] },
`${api}/users/login`,
`${api}/users/register`,
]
})
}
async function isRevoked(req, payload, done) {
if(!payload.isAdmin) {
done(null, true);
}
done();
};
module.exports = authJwt
Upon introducing this lines of codes, Postman returns authorization error even with the Bearers token. My good developers, come through for me here. I've been stuck for a whole week.
My aim is the API should post the new product using isAdmin [true] bearer's token.
async function isRevoked(req, token) {
if(!token.payload.isAdmin) {
return true
}
return undefined;
}
The error-handler file
function errorHandler(err, req, res, next) {
if (err.name === 'UnauthorizedError') {
return res.status(401).json({message: 'The user is not authorized'})
}
if (err.name === 'ValidationError') {
return res.status(401).json({message: err})
}
return res.status(500).json(err);
}
module.exports = errorHandler

Answer 1

In your app.js use authJwt() instead of just authJwt
use following
async function isRevoked(req, token){
if(!token.payload.isAdmin) {
return true;
}
}
and comment out
async function isRevoked(req, payload, done) {
if(!payload.isAdmin) {
done(null, true);
}
done();
};
and comment out
async function isRevoked(req, token) {
if(!token.payload.isAdmin) {
return true
}
return undefined;
}
in your jwt.js
Increase your token time from 1d to more days say 10d
Get your fresh Token